CN219911956U - Electrical conversion device - Google Patents
Electrical conversion device Download PDFInfo
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- CN219911956U CN219911956U CN202321440395.8U CN202321440395U CN219911956U CN 219911956 U CN219911956 U CN 219911956U CN 202321440395 U CN202321440395 U CN 202321440395U CN 219911956 U CN219911956 U CN 219911956U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 10
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000013459 approach Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model provides an electrical conversion device, which comprises an action mechanism, a base, an exhaust seat, an air injection seat and an input mechanism, wherein the base, the exhaust seat, the air injection seat and the input mechanism are sequentially arranged along the same direction; the base is internally provided with an air source cavity and an output cavity for outputting signals, the air source cavity and the output cavity are separated by a fixing seat, and an air inlet channel is formed in the fixing seat; an exhaust cavity is arranged in the exhaust seat, a first pneumatic component is arranged between the exhaust cavity and the output cavity, an exhaust part is arranged on the first pneumatic component, and an exhaust channel is arranged on the exhaust part; an air spraying cavity is arranged in the air spraying seat, a second pneumatic component is arranged between the air spraying cavity and the air discharging cavity, an air nozzle is arranged on the air spraying seat towards the input mechanism, and an air spraying gap is arranged between the air nozzle and the output of the input mechanism; a back pressure channel is arranged between the air injection cavity and the air source cavity; the actuating mechanism is abutted against an opening of the exhaust channel in the exhaust cavity after passing through the air inlet channel from the air source cavity, and the actuating mechanism is used for opening or closing the air inlet channel and the exhaust channel along with the change of air pressure.
Description
Technical Field
The utility model belongs to the field of signal conversion, and particularly relates to electrical conversion equipment.
Background
The intelligent valve positioner is an important control accessory of the regulating valve device, is usually matched with a film type pneumatic actuator for use, and controls the action of the regulating valve by controlling the pressure of a cavity of the film type pneumatic actuator. The intelligent valve positioner is connected with an input voltage signal of the controller, then converts an electric signal into a pressure signal through an internal electric converter, then amplifies the pressure signal through a signal amplifying mechanism, and outputs a signal with larger flow and larger pressure to control the pneumatic actuator, so that the action of the regulating valve is controlled.
The existing intelligent valve positioner has the advantages that the electric conversion mechanism is used for realizing the conversion process from an electric signal to an air signal according to the electromagnetic principle, the electromagnetic force generated by the electromagnetic coil attracts the metal sheet to deform the metal sheet, and the air injection gap is changed, so that the exhaust resistance of an exhaust channel is changed, and the change of output air pressure is realized. However, when the metal sheet is subjected to severe vibration, unstable vibration is generated by the metal sheet, and the stability and accuracy of the back pressure signal are affected.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, an object of the present utility model is to provide an electrical conversion apparatus for solving the problems of the prior art and the like.
To achieve the above and other related objects, the present utility model provides an electrical conversion apparatus, including an actuating mechanism, and a base, an exhaust seat, an air injection seat, and an input mechanism sequentially disposed along the same direction;
the base is internally provided with an air source cavity and an output cavity for outputting signals, the air source cavity and the output cavity are separated by a fixing seat, and an air inlet channel is formed in the fixing seat;
an exhaust cavity is arranged in the exhaust seat, a first pneumatic component is arranged between the exhaust cavity and the output cavity, an exhaust piece is arranged on the first pneumatic component, and an exhaust channel used for communicating the output cavity with the exhaust cavity is arranged on the exhaust piece;
an air spraying cavity is arranged in the air spraying seat, a second pneumatic component for pushing the exhaust piece to act is arranged between the air spraying cavity and the exhaust cavity, an air nozzle is arranged on the air spraying seat towards the input mechanism, and an air spraying gap is arranged between the air nozzle and the output of the input mechanism; a back pressure channel for communicating the two chambers is arranged between the air injection chamber and the air source chamber;
the actuating mechanism is abutted against an opening of the exhaust channel in the exhaust cavity after passing through the air inlet channel from the air source cavity, and is used for opening or closing the air inlet channel and the exhaust channel along with the change of air pressure.
Optionally, the base is provided with an air inlet of the air source cavity and an output port of the output cavity, and the exhaust seat is provided with an exhaust port of the exhaust cavity.
Optionally, the actuating mechanism includes elastomeric element and movable rod, the movable rod is located the one end in air supply chamber with elastomeric element connects, elastomeric element is for the movable rod provides the elastic force towards input mechanism direction action, be provided with on the movable rod and be used for shutoff the blocking part of air inlet channel, blocking part is located the air supply intracavity, the movable rod is kept away from the one end in air supply chamber stretches into in the exhaust passage and can shutoff the exhaust passage.
Optionally, the actuating mechanism includes elastomeric element and movable rod, the movable rod is located the one end in air supply chamber with elastomeric element connects, elastomeric element is for the movable rod provides the elastic force towards input mechanism direction action, be provided with on the movable rod and be used for shutoff the blocking part of air inlet channel, blocking part is located the air supply intracavity, the movable rod is kept away from the one end in air supply chamber stretches into in the exhaust passage and can shutoff the exhaust passage.
Optionally, the first pneumatic component is a first diaphragm, the second pneumatic component is a second diaphragm, the first diaphragm is disposed between the base and the exhaust seat, and the second diaphragm is disposed between the exhaust seat and the jet seat.
Optionally, the back pressure channel is sequentially opened along the direction of the base, the first diaphragm, the exhaust seat, the second diaphragm and the air injection seat, so as to communicate the air source cavity and the air injection cavity.
Optionally, an end of the exhaust piece remote from the movable rod is in contact with the second pneumatic component.
Optionally, the base inner wall epirelief is equipped with and is used for limiting the first spacing portion of fixing base mounted position, the air inlet with back pressure channel's opening is seted up first spacing portion with between the elastomeric element.
Optionally, a second limiting part is arranged on the fixing seat, the second limiting part is used for limiting the distance between the fixing seat and the first limiting part, a communication hole is formed in the second limiting part, and the communication hole is communicated with the output port.
Optionally, the exhaust piece includes first connecting portion and second connecting portion, first connecting portion with the second connecting portion is fixed perpendicularly, the second connecting portion is located the exhaust intracavity, just the second connecting portion with the second pneumatic component is supported and is leaned on, first connecting portion pass behind the first pneumatic component be used for with the movable rod contact.
Optionally, the input mechanism includes a linear motor for acting along with the change of input signals, the output end of the linear motor is connected with a movable block, and the movable block is close to or far away from the air nozzle under the driving of the linear motor, so that the air injection gap between the air nozzle and the movable block is changed.
As described above, the electrical conversion apparatus of the present utility model has the following advantageous effects:
in the scheme, after gas enters the gas source cavity, the movable rod abuts against the fixed seat under the double functions of the elastic component and the air pressure to enable the gas inlet channel to be closed. Part of gas in the gas source cavity enters the gas spraying cavity through the back pressure channel, part of gas in the gas spraying cavity is sprayed out through the gas nozzle, and exhaust resistance is formed under the blocking of the output of the input mechanism, so that back pressure P1 is formed in the gas spraying cavity.
The back pressure P1 in the spraying cavity acts on the second pneumatic component to form a thrust F1, the exhaust piece is pushed to move towards the air source cavity, at the moment, the exhaust piece drives the movable rod to move towards the air source cavity, the exhaust channel is closed, and the ventilation channel is opened.
The gas in the gas source cavity enters the output cavity from the gas inlet channel to form a pressure signal P2, and the pressure signal P2 acts on the first pneumatic component to form thrust F2. As the gas in the output chamber increases, the pressure signal P2 increases, so that the thrust force F2 increases. When the thrust force f2=f1, the exhaust member and the movable rod return to the initial positions, thereby closing the intake passage and the exhaust passage, and at this time, the pressure signal P2 in the output chamber is output from the output port, forming an output pressure signal. At this time, p2=mp1, where m is a proportionality coefficient.
When the back pressure P1 in the spray cavity is reduced and the thrust F2 is greater than the thrust F1, the exhaust piece is moved towards the spray cavity, so that the exhaust channel is opened. At this time, the gas in the output chamber is discharged to the exhaust chamber through the exhaust passage and is discharged through the exhaust port, and the pressure P2 in the output chamber is lowered. When the pressure P2 decreases such that f2=f1, the exhaust member and the movable lever return to the initial positions again, closing the intake passage and the exhaust passage, and at this time the output port outputs the pressure p2=mp1.
The principle of electrical conversion in the utility model is different from the prior art, and electromagnetic coils, metal sheets and the like are not arranged in the utility model, so that instability caused by vibration of the metal sheets is avoided, and the stability of signals is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of an electrical conversion device according to an embodiment of the utility model.
Fig. 2 is an enlarged view at A-A in fig. 1.
FIG. 3 is a schematic view of the cooperation between the movable rod and the air discharge member in an embodiment of the present utility model.
Detailed Description
Reference numerals in the drawings of the specification include: base 1, exhaust seat 2, jet seat 3, air nozzle 301, linear motor 4, movable block 401, air inlet 5, output port 6, exhaust port 7, air source chamber 8, output chamber 9, exhaust chamber 10, jet chamber 11, jet gap 12, fixing seat 13, air intake channel 1301, second stopper 1302, communication hole 1303, first stopper 1304, first diaphragm 14, second diaphragm 15, spring 16, movable rod 17, blocking portion 1701, exhaust member 18, exhaust channel 1801, first connection 1802, second connection 1803, air outlet 1804, throttle 19, and back pressure channel 20.
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
The pneumatic switching device in the present utility model is shown with reference to fig. 1 to 3.
In an exemplary embodiment of the present utility model, there is provided an electrical conversion apparatus including an action mechanism, and a base 1, an exhaust seat 2, a jet seat 3, and an input mechanism disposed in this order along the same direction;
an air source cavity 8 and an output cavity 9 for outputting signals are arranged in the base 1, the air source cavity 8 and the output cavity 9 are separated by a fixing seat 13, and an air inlet channel 1301 is formed in the fixing seat 13;
an exhaust cavity 10 capable of exhausting is arranged in the exhaust seat 2, a first pneumatic component is arranged between the exhaust cavity 10 and the output cavity 9, an exhaust piece 18 is arranged on the first pneumatic component, and an exhaust channel 1801 used for communicating the output cavity 9 with the exhaust cavity 10 is arranged on the exhaust piece 18;
the air injection seat 3 is internally provided with an air injection cavity 11, a second pneumatic component for pushing the exhaust piece 18 to act is arranged between the air injection cavity 11 and the exhaust cavity 10, an air nozzle 301 is arranged on the air injection seat 3 towards the input mechanism, and an air injection gap 12 is arranged between the air nozzle 301 and the output of the input mechanism; a back pressure channel 20 for communicating the two chambers is arranged between the air injection chamber 11 and the air source chamber 8;
the actuating mechanism abuts against the opening of the exhaust channel 1801 in the exhaust cavity 10 after passing through the air inlet channel 1301 from the air source cavity 8, and the actuating mechanism is used for opening or closing the air inlet channel 1301 and the exhaust channel 1801 along with the change of air pressure.
In this embodiment, after the air source enters the air source cavity 8, the actuating mechanism is abutted against the fixed seat 13, so that the air inlet channel 1301 is closed, part of the air in the air source cavity 8 enters the air injection cavity 11 through the back pressure channel 20, and part of the air in the air injection cavity 11 is injected to the output of the input mechanism through the air nozzle 301 to form an exhaust resistance, so that a back pressure P1 is formed in the air injection cavity 11.
The back pressure in the air spraying cavity 11 acts on the second pneumatic component to form a thrust F1, the air exhausting piece 18 is pushed to move towards the air source cavity 8, at the moment, the air exhausting piece 18 drives the action mechanism to move towards the air source cavity 8, the air exhausting channel 1801 is closed, and the ventilation channel is opened.
The gas in the gas source chamber 8 enters the output chamber 9 from the gas inlet channel 1301 to form a pressure signal P2, and the pressure signal P2 acts on the first pneumatic component to form a thrust force F2. As the gas in the output chamber 9 increases, the pressure signal P2 increases, so that the thrust force F2 increases. When the thrust force f2=f1, the exhaust member 18 and the operating mechanism return to the initial positions, thereby closing the intake passage 1301 and the exhaust passage 1801, and at this time, the pressure signal P2 in the output chamber 9 is output, forming an output pressure signal. At this time, p2=mp1, where m is a proportionality coefficient.
When the back pressure P1 in the spray chamber 11 decreases and the thrust force F2 is greater than the thrust force F1, the exhaust member 18 is moved toward the spray chamber 11, thereby opening the exhaust passage 1801. At this time, the gas in the output chamber 9 is discharged to the exhaust chamber 10 through the exhaust passage 1801, and the pressure P2 in the output chamber 9 decreases. When the pressure P2 decreases such that f2=f1, the exhaust 18 and the operating mechanism return to the initial positions again, closing the intake passage 1301 and the exhaust passage 1801, and the output chamber 9 outputs the pressure p2=mp1.
In an exemplary embodiment, the base 1 is provided with an air inlet 5 of the air source chamber 8 and an output 6 of the output chamber 9, and the exhaust seat 2 is provided with an exhaust 7 of the exhaust chamber 10.
The air inlet 5 is opened for air intake of the air source cavity 8, and the output port 6 is opened for output of the signal from the output cavity 9. The vent chamber 10 is opened for venting the vent chamber 10.
Illustratively, the inlet air passageway 1301 is flared in diameter from the air supply chamber 8 to the outlet chamber 9.
In an exemplary embodiment, the actuating mechanism includes an elastic member and a movable rod 17, one end of the movable rod 17 located in the air source cavity 8 is connected with the elastic member, the elastic member provides an elastic force for the movable rod 17 to act towards the direction of the input mechanism, a blocking portion 1701 for blocking the air inlet channel 1301 is disposed on the movable rod 17, the blocking portion 1701 is located in the air source cavity 8, and one end of the movable rod 17 away from the air source cavity 8 extends into the air outlet channel 1801 and can block the air outlet channel 1801.
In this embodiment, when gas enters the gas source chamber 8, the movable rod 17 will act under the combined action of the elastic component and the gas pressure, and the elastic component provides elastic acting force for the action of the movable rod 17.
In an exemplary embodiment, the first pneumatic component is a first diaphragm 14 and the second pneumatic component is a second diaphragm 15, the first diaphragm 14 being disposed between the base 1 and the exhaust seat 2, the second diaphragm 15 being disposed between the exhaust seat 2 and the jet seat 3.
In this embodiment, the first pneumatic component and the second pneumatic component are both diaphragms.
In an exemplary embodiment, the back pressure channel 20 is opened in sequence along the direction of the base 1, the first diaphragm 14, the exhaust seat 2, the second diaphragm 15, and the jet seat 3 to communicate the air source chamber 8 and the jet chamber 11.
In this embodiment, the back pressure channel 20 is opened to allow communication between the gas source chamber 8 and the gas injection chamber 11.
In an exemplary embodiment, the end of the venting member 18 remote from the movable bar 17 is in contact with the second pneumatic component.
Illustratively, the exhaust 18 abuts the second pneumatic component.
The vent member 18 is illustratively fixedly coupled to the second pneumatic component.
In an exemplary embodiment, the inner wall of the base 1 is provided with a first limiting portion 1304 for limiting the installation position of the fixing seat 13, and openings of the air inlet 5 and the back pressure channel 20 are formed between the first limiting portion 1304 and the elastic member.
In this embodiment, the first limiting portion 1304 is provided to avoid blocking the openings of the air inlet 5 and the air outlet 1801 after the fixing base 13 is installed.
In an exemplary embodiment, the fixing base 13 is provided with a second limiting portion 1302, the second limiting portion 1302 is used for limiting a distance between the fixing base 13 and the first limiting portion 1304, the second limiting portion 1302 is provided with a communication hole 1303, and the communication hole 1303 is communicated with the output port 6.
Illustratively, the second limiting portion 1302 is configured such that, when the fixing base 13 moves to a predetermined position, the communication hole 1303 coincides with the output port 6, so as to open the output port 6.
In an exemplary embodiment, the exhaust 18 includes a first connection portion 1802 and a second connection portion 1803, the first connection portion 1802 and the second connection portion 1803 are vertically fixed, the second connection portion 1803 is located within the exhaust chamber 10, and the second connection portion 1803 abuts against the second pneumatic component, and the first connection portion 1802 is configured to contact the movable rod 17 after passing through the first pneumatic component.
Illustratively, the exhaust channel 1801 is opened along the axial direction of the first connection portion 1802, the portion of the first connection portion 1802 located in the exhaust cavity 10 is provided with the air outlets 1804 of the exhaust channel 1801, and the air outlets 1804 are uniformly opened around the first connection portion.
In the present embodiment, the second connecting portion 1803 is provided to increase the contact area between the movable lever 17 and the second pneumatic component.
In an exemplary embodiment, the input mechanism includes a linear motor 4 for acting with the change of the input signal, and the output end of the linear motor 4 is connected with a movable block 401, and the movable block 401 is driven by the linear motor to approach or separate from the air nozzle 301, so that the air injection gap 12 between the air nozzle 301 and the movable block 401 is changed.
In this embodiment, the electrical conversion device is connected to the signal, the linear motor 4 generates displacement correspondingly, and when the input signal is changed, the linear motor 4 acts, so as to change the air injection gap 12 between the air nozzle 301 and the movable block 401. As the jet gap 12 changes, the back pressure P1 in the back pressure chamber changes, and the output pressure P2 in the output chamber 9 changes.
The linear motor 4 is high-precision, so that the positioning precision is improved, a feedback control algorithm is not needed to be additionally arranged, the inconvenience of output pressure signals corresponding to the same voltage signal can be kept, the control precision is ensured, and the use cost is reduced.
The utility model realizes the change of the air injection gap 12 by utilizing the high-precision linear motor 4 technology, has simple and compact structure, no movable parts and good vibration resistance, can keep the output pressure signal stable even when being subjected to strong vibration, and provides stability and accuracy of control.
In an exemplary embodiment, a throttle 19 is provided on the body for adjusting the size of the communication cross section between the back pressure channel 20 and the air injection chamber 11.
By providing the throttle 19, the size of the communication cross section between the back pressure passage 20 and the air injection chamber 11 can be changed, and when the throttle 19 is inserted deeper, the communication gap between the back pressure passage 20 and the air injection chamber 11 is smaller, whereas the communication gap between the back pressure passage 20 and the air injection chamber 11 is larger. By changing the communication section, the variation characteristic of the back pressure along with the air injection gap in the air injection cavity 11 is further changed, so that the back pressure is linearly changed, exponentially changed or the like in percentage along with the variation of the air injection gap.
Illustratively, the communication section between the back pressure channel 20 and the air injection cavity 11 is a flare, one end of the throttling element 19 is in threaded connection with the machine body, the other end of the throttling element 19 is a plugging end extending into the flare, and a communication gap is formed between the plugging end and the flare.
Illustratively, the resilient member is a spring 16.
Illustratively, the fixing base 13 is fixedly installed in the base, and a sealing ring is arranged between the fixing base and the inner wall of the base 1.
It should be noted that, the pressure signal output by the existing electrical converter cannot directly drive the actuator to act, and the actuator can be driven only after the pressure signal is amplified separately. In the scheme, through the arrangement of the throttling element and the like, the electric signal can be directly converted into an amplified pressure signal, and the actuator can be directly driven to act.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model, and it is intended that the appended claims be interpreted as covering all equivalent modifications and variations as fall within the true spirit and scope of the utility model.
Claims (10)
1. An electrical conversion device is characterized by comprising an action mechanism, a base, an exhaust seat, an air jet seat and an input mechanism, wherein the base, the exhaust seat, the air jet seat and the input mechanism are sequentially arranged along the same direction;
the base is internally provided with an air source cavity and an output cavity for outputting signals, the air source cavity and the output cavity are separated by a fixing seat, and an air inlet channel is formed in the fixing seat;
an exhaust cavity is arranged in the exhaust seat, a first pneumatic component is arranged between the exhaust cavity and the output cavity, an exhaust piece is arranged on the first pneumatic component, and an exhaust channel used for communicating the output cavity with the exhaust cavity is arranged on the exhaust piece;
an air spraying cavity is arranged in the air spraying seat, a second pneumatic component for pushing the exhaust piece to act is arranged between the air spraying cavity and the exhaust cavity, an air nozzle is arranged on the air spraying seat towards the input mechanism, and an air spraying gap is arranged between the air nozzle and the output of the input mechanism; a back pressure channel for communicating the two chambers is arranged between the air injection chamber and the air source chamber;
the actuating mechanism is abutted against an opening of the exhaust channel in the exhaust cavity after passing through the air inlet channel from the air source cavity, and is used for opening or closing the air inlet channel and the exhaust channel along with the change of air pressure.
2. The electrical switching apparatus of claim 1 wherein the base is provided with an inlet port for the air supply chamber and an outlet port for the outlet chamber, and the exhaust seat is provided with an exhaust port for the exhaust chamber.
3. The electrical switching apparatus as set forth in claim 2 wherein the actuating mechanism includes an elastic member and a movable rod, one end of the movable rod located in the air supply chamber being connected to the elastic member, the elastic member providing the movable rod with an elastic force acting in a direction toward the input mechanism, a blocking portion for blocking the air intake passage being provided on the movable rod, the blocking portion being located in the air supply chamber, and one end of the movable rod located away from the air supply chamber extending into the air exhaust passage and being capable of blocking the air exhaust passage.
4. The electrical conversion apparatus of claim 1, wherein the first pneumatic component is a first diaphragm and the second pneumatic component is a second diaphragm, the first diaphragm being disposed between the base and the exhaust seat, the second diaphragm being disposed between the exhaust seat and the jet seat.
5. The electrical switching apparatus of claim 4 wherein the back pressure channel opens sequentially along the base, first diaphragm, exhaust seat, second diaphragm, and jet seat to communicate the gas source chamber and the jet chamber.
6. An electrical switching apparatus as claimed in claim 3 wherein an end of the vent remote from the movable bar is in contact with the second pneumatic component.
7. The electrical switching apparatus as set forth in claim 6 wherein the base inner wall is provided with a first stopper portion protruding upward for restricting the mounting position of the holder, and the openings of the air inlet and the back pressure passage are opened between the first stopper portion and the elastic member.
8. The electrical switching apparatus as set forth in claim 7 wherein the fixing base is provided with a second stopper portion for restricting a distance between the fixing base and the first stopper portion, and the second stopper portion is provided with a communication hole, the communication hole being communicated with the output port.
9. The electrical conversion apparatus according to claim 6, wherein the exhaust member includes a first connection portion and a second connection portion, the first connection portion and the second connection portion being vertically fixed, the second connection portion being located in the exhaust chamber, and the second connection portion being abutted against the second pneumatic member, the first connection portion being adapted to contact the movable rod after passing through the first pneumatic member.
10. The electrical conversion apparatus according to claim 1, wherein the input mechanism includes a linear motor for acting with a change in an input signal, and a movable block is connected to an output end of the linear motor, and the movable block is driven by the linear motor to approach or separate from the air nozzle so that an air injection gap between the air nozzle and the movable block is changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440395.8U CN219911956U (en) | 2023-06-07 | 2023-06-07 | Electrical conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321440395.8U CN219911956U (en) | 2023-06-07 | 2023-06-07 | Electrical conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911956U true CN219911956U (en) | 2023-10-27 |
Family
ID=88464386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321440395.8U Active CN219911956U (en) | 2023-06-07 | 2023-06-07 | Electrical conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911956U (en) |
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2023
- 2023-06-07 CN CN202321440395.8U patent/CN219911956U/en active Active
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